package com.ljm.Mapper;

import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Param;

/**
 * @author PengHuAnZhi
 * @createTime 2021/2/25 17:36
 * @projectName SpringCloudDemo
 * @className StorageDao.java
 * @description TODO
 */
@Mapper
public interface StorageDao {

    void decrease(@Param("productId") Long productId, @Param("count") Integer count);

}

